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#!/usr/bin/env python
import confluent_kafka
import confluent_kafka.avro
import logging
class CountingFilter(logging.Filter):
def __init__(self, name):
self.name = name
self.cnt = 0
def filter(self, record):
print(self.name, record.getMessage())
self.cnt += 1
print(record)
def test_logging_consumer():
""" Tests that logging works """
logger = logging.getLogger('consumer')
logger.setLevel(logging.DEBUG)
f = CountingFilter('consumer')
logger.addFilter(f)
kc = confluent_kafka.Consumer({'group.id': 'test',
'debug': 'all'},
logger=logger)
while f.cnt == 0:
kc.poll(timeout=0.5)
print('%s: %d log messages seen' % (f.name, f.cnt))
kc.close()
def test_logging_avro_consumer():
""" Tests that logging works """
logger = logging.getLogger('avroconsumer')
logger.setLevel(logging.DEBUG)
f = CountingFilter('avroconsumer')
logger.addFilter(f)
kc = confluent_kafka.avro.AvroConsumer({'schema.registry.url': 'http://example.com',
'group.id': 'test',
'debug': 'all'},
logger=logger)
while f.cnt == 0:
kc.poll(timeout=0.5)
print('%s: %d log messages seen' % (f.name, f.cnt))
kc.close()
def test_logging_producer():
""" Tests that logging works """
logger = logging.getLogger('producer')
logger.setLevel(logging.DEBUG)
f = CountingFilter('producer')
logger.addFilter(f)
p = confluent_kafka.Producer({'debug': 'all'}, logger=logger)
while f.cnt == 0:
p.poll(timeout=0.5)
print('%s: %d log messages seen' % (f.name, f.cnt))
def test_logging_avro_producer():
""" Tests that logging works """
logger = logging.getLogger('avroproducer')
logger.setLevel(logging.DEBUG)
f = CountingFilter('avroproducer')
logger.addFilter(f)
p = confluent_kafka.avro.AvroProducer({'schema.registry.url': 'http://example.com',
'debug': 'all'},
logger=logger)
while f.cnt == 0:
p.poll(timeout=0.5)
print('%s: %d log messages seen' % (f.name, f.cnt))
def test_logging_constructor():
""" Verify different forms of constructors """
for how in ['dict', 'dict+kwarg', 'kwarg']:
logger = logging.getLogger('producer: ' + how)
logger.setLevel(logging.DEBUG)
f = CountingFilter(logger.name)
logger.addFilter(f)
if how == 'dict':
p = confluent_kafka.Producer({'debug': 'all', 'logger': logger})
elif how == 'dict+kwarg':
p = confluent_kafka.Producer({'debug': 'all'}, logger=logger)
elif how == 'kwarg':
conf = {'debug': 'all', 'logger': logger}
p = confluent_kafka.Producer(**conf)
else:
raise RuntimeError('Not reached')
print('Test %s with %s' % (p, how))
while f.cnt == 0:
p.poll(timeout=0.5)
print('%s: %s: %d log messages seen' % (how, f.name, f.cnt))
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